20199071169

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{971}}^1\times {\mathrm{15107}}^1$

素因数の和:16107

約数の個数: 40

約数和(自身を含む): 31983877728

約数和(自身を除く): 11784806559

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 971, 1377, 2913, 8739, 15107, 16507, 26217, 45321, 49521, 78651, 135963, 148563, 256819, 407889, 445689, 770457, 1223667, 1337067, 2311371, 6934113, 14668897, 20802339, 44006691, 132020073, 249371249, 396060219, 748113747, 1188180657, 2244341241, 6733023723, 20199071169]

約数ペア:

[(1, 20199071169), (3, 6733023723), (9, 2244341241), (17, 1188180657), (27, 748113747), (51, 396060219), (81, 249371249), (153, 132020073), (459, 44006691), (971, 20802339), (1377, 14668897), (2913, 6934113), (8739, 2311371), (15107, 1337067), (16507, 1223667), (26217, 770457), (45321, 445689), (49521, 407889), (78651, 256819), (135963, 148563)]